Merge branch 'bc/xdiffnl'

diff --git a/t/t6010-merge-base.sh b/t/t6010-merge-base.sh
index b15920b8521fce8c483fa54880de7eb599c87f1c..04e4b7c5c2aa4f7c6922ebc5c9236962ab5d175c 100755 (executable)
--- a/t/t6010-merge-base.sh
+++ b/t/t6010-merge-base.sh
@@ -8,15 +8,16 @@ test_description='Merge base computation.
 
 . ./test-lib.sh
 
-T=$(git-write-tree)
+T=$(git write-tree)
 
 M=1130000000
 Z=+0000
 
-export GIT_COMMITTER_EMAIL=git@comm.iter.xz
-export GIT_COMMITTER_NAME='C O Mmiter'
-export GIT_AUTHOR_NAME='A U Thor'
-export GIT_AUTHOR_EMAIL=git@au.thor.xz
+GIT_COMMITTER_EMAIL=git@comm.iter.xz
+GIT_COMMITTER_NAME='C O Mmiter'
+GIT_AUTHOR_NAME='A U Thor'
+GIT_AUTHOR_EMAIL=git@au.thor.xz
+export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
 
 doit() {
        OFFSET=$1; shift
@@ -29,11 +30,17 @@ doit() {
        GIT_COMMITTER_DATE="$(($M + $OFFSET)) $Z"
        GIT_AUTHOR_DATE=$GIT_COMMITTER_DATE
        export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
-       commit=$(echo $NAME | git-commit-tree $T $PARENTS)
+       commit=$(echo $NAME | git commit-tree $T $PARENTS)
        echo $commit >.git/refs/tags/$NAME
        echo $commit
 }
 
+#  E---D---C---B---A
+#  \'-_         \   \
+#   \  `---------G   \
+#    \                \
+#     F----------------H
+
 # Setup...
 E=$(doit 5 E)
 D=$(doit 4 D $E)
@@ -44,6 +51,18 @@ A=$(doit 1 A $B)
 G=$(doit 7 G $B $E)
 H=$(doit 8 H $A $F)
 
+test_expect_success 'compute merge-base (single)' \
+    'MB=$(git merge-base G H) &&
+     expr "$(git name-rev "$MB")" : "[0-9a-f]* tags/B"'
+
+test_expect_success 'compute merge-base (all)' \
+    'MB=$(git merge-base --all G H) &&
+     expr "$(git name-rev "$MB")" : "[0-9a-f]* tags/B"'
+
+test_expect_success 'compute merge-base with show-branch' \
+    'MB=$(git show-branch --merge-base G H) &&
+     expr "$(git name-rev "$MB")" : "[0-9a-f]* tags/B"'
+
 # Setup for second test to demonstrate that relying on timestamps in a
 # distributed SCM to provide a _consistent_ partial ordering of commits
 # leads to insanity.
@@ -82,23 +101,59 @@ PL=$(doit  4 PL $L2 $C2)
 PR=$(doit  4 PR $C2 $R2)
 
 test_expect_success 'compute merge-base (single)' \
-    'MB=$(git-merge-base G H) &&
-     expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"'
+    'MB=$(git merge-base PL PR) &&
+     expr "$(git name-rev "$MB")" : "[0-9a-f]* tags/C2"'
 
 test_expect_success 'compute merge-base (all)' \
-    'MB=$(git-merge-base --all G H) &&
-     expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"'
+    'MB=$(git merge-base --all PL PR) &&
+     expr "$(git name-rev "$MB")" : "[0-9a-f]* tags/C2"'
+
+# Another set to demonstrate base between one commit and a merge
+# in the documentation.
+
+test_expect_success 'merge-base for octopus-step (setup)' '
+       test_tick && git commit --allow-empty -m root && git tag MMR &&
+       test_tick && git commit --allow-empty -m 1 && git tag MM1 &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m A && git tag MMA &&
+       git checkout MM1 &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m B && git tag MMB &&
+       git checkout MMR &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m C && git tag MMC
+'
 
-test_expect_success 'compute merge-base with show-branch' \
-    'MB=$(git-show-branch --merge-base G H) &&
-     expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"'
+test_expect_success 'merge-base A B C' '
+       MB=$(git merge-base --all MMA MMB MMC) &&
+       MM1=$(git rev-parse --verify MM1) &&
+       test "$MM1" = "$MB"
+'
 
-test_expect_success 'compute merge-base (single)' \
-    'MB=$(git-merge-base PL PR) &&
-     expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/C2"'
+test_expect_success 'criss-cross merge-base for octopus-step (setup)' '
+       git reset --hard MMR &&
+       test_tick && git commit --allow-empty -m 1 && git tag CC1 &&
+       git reset --hard E &&
+       test_tick && git commit --allow-empty -m 2 && git tag CC2 &&
+       test_tick && git merge -s ours CC1 &&
+       test_tick && git commit --allow-empty -m o &&
+       test_tick && git commit --allow-empty -m B && git tag CCB &&
+       git reset --hard CC1 &&
+       test_tick && git merge -s ours CC2 &&
+       test_tick && git commit --allow-empty -m A && git tag CCA
+'
 
-test_expect_success 'compute merge-base (all)' \
-    'MB=$(git-merge-base --all PL PR) &&
-     expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/C2"'
+test_expect_success 'merge-base B A^^ A^^2' '
+       MB0=$(git merge-base --all CCB CCA^^ CCA^^2 | sort) &&
+       MB1=$(git rev-parse CC1 CC2 | sort) &&
+       test "$MB0" = "$MB1"
+'
 
 test_done